/********************************************************** * Copyright 2009 VMware, Inc. All rights reserved. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * **********************************************************/ /** * @file * This file implements the SVGA interface into this winsys, defined * in drivers/svga/svga_winsys.h. * * @author Keith Whitwell * @author Jose Fonseca */ #include "svga_cmd.h" #include "svga3d_caps.h" #include "util/u_inlines.h" #include "util/u_math.h" #include "util/u_memory.h" #include "pipebuffer/pb_buffer.h" #include "pipebuffer/pb_bufmgr.h" #include "svga_winsys.h" #include "vmw_context.h" #include "vmw_screen.h" #include "vmw_surface.h" #include "vmw_buffer.h" #include "vmw_fence.h" static struct svga_winsys_buffer * vmw_svga_winsys_buffer_create(struct svga_winsys_screen *sws, unsigned alignment, unsigned usage, unsigned size) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); struct pb_desc desc; struct pb_manager *provider; struct pb_buffer *buffer; memset(&desc, 0, sizeof desc); desc.alignment = alignment; desc.usage = usage; provider = vws->pools.gmr_fenced; assert(provider); buffer = provider->create_buffer(provider, size, &desc); if(!buffer) return NULL; return vmw_svga_winsys_buffer(buffer); } static void * vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws, struct svga_winsys_buffer *buf, unsigned flags) { (void)sws; return pb_map(vmw_pb_buffer(buf), flags); } static void vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws, struct svga_winsys_buffer *buf) { (void)sws; pb_unmap(vmw_pb_buffer(buf)); } static void vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws, struct svga_winsys_buffer *buf) { struct pb_buffer *pbuf = vmw_pb_buffer(buf); (void)sws; pb_reference(&pbuf, NULL); } static void vmw_svga_winsys_fence_reference(struct svga_winsys_screen *sws, struct pipe_fence_handle **pdst, struct pipe_fence_handle *src) { (void)sws; *pdst = src; } static int vmw_svga_winsys_fence_signalled(struct svga_winsys_screen *sws, struct pipe_fence_handle *fence, unsigned flag) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); (void)flag; return vmw_ioctl_fence_signalled(vws, vmw_fence(fence)); } static int vmw_svga_winsys_fence_finish(struct svga_winsys_screen *sws, struct pipe_fence_handle *fence, unsigned flag) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); (void)flag; return vmw_ioctl_fence_finish(vws, vmw_fence(fence)); } static struct svga_winsys_surface * vmw_svga_winsys_surface_create(struct svga_winsys_screen *sws, SVGA3dSurfaceFlags flags, SVGA3dSurfaceFormat format, SVGA3dSize size, uint32 numFaces, uint32 numMipLevels) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); struct vmw_svga_winsys_surface *surface; surface = CALLOC_STRUCT(vmw_svga_winsys_surface); if(!surface) goto no_surface; pipe_reference_init(&surface->refcnt, 1); p_atomic_set(&surface->validated, 0); surface->screen = vws; surface->sid = vmw_ioctl_surface_create(vws, flags, format, size, numFaces, numMipLevels); if(surface->sid == SVGA3D_INVALID_ID) goto no_sid; return svga_winsys_surface(surface); no_sid: FREE(surface); no_surface: return NULL; } static boolean vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen *sws, struct svga_winsys_surface *surface) { struct vmw_svga_winsys_surface *vsurf = vmw_svga_winsys_surface(surface); return (p_atomic_read(&vsurf->validated) == 0); } static void vmw_svga_winsys_surface_ref(struct svga_winsys_screen *sws, struct svga_winsys_surface **pDst, struct svga_winsys_surface *src) { struct vmw_svga_winsys_surface *d_vsurf = vmw_svga_winsys_surface(*pDst); struct vmw_svga_winsys_surface *s_vsurf = vmw_svga_winsys_surface(src); vmw_svga_winsys_surface_reference(&d_vsurf, s_vsurf); *pDst = svga_winsys_surface(d_vsurf); } static void vmw_svga_winsys_destroy(struct svga_winsys_screen *sws) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); vmw_winsys_destroy(vws); } static boolean vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws, SVGA3dDevCapIndex index, SVGA3dDevCapResult *result) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); const uint32 *capsBlock; const SVGA3dCapsRecord *capsRecord = NULL; uint32 offset; const SVGA3dCapPair *capArray; int numCaps, first, last; if(!vws->ioctl.fifo_map) return FALSE; if(vws->ioctl.fifo_map[SVGA_FIFO_3D_HWVERSION] < SVGA3D_HWVERSION_WS6_B1) return FALSE; /* * Search linearly through the caps block records for the specified type. */ capsBlock = (const uint32 *)&vws->ioctl.fifo_map[SVGA_FIFO_3D_CAPS]; for (offset = 0; capsBlock[offset] != 0; offset += capsBlock[offset]) { const SVGA3dCapsRecord *record; assert(offset < SVGA_FIFO_3D_CAPS_SIZE); record = (const SVGA3dCapsRecord *) (capsBlock + offset); if ((record->header.type >= SVGA3DCAPS_RECORD_DEVCAPS_MIN) && (record->header.type <= SVGA3DCAPS_RECORD_DEVCAPS_MAX) && (!capsRecord || (record->header.type > capsRecord->header.type))) { capsRecord = record; } } if(!capsRecord) return FALSE; /* * Calculate the number of caps from the size of the record. */ capArray = (const SVGA3dCapPair *) capsRecord->data; numCaps = (int) ((capsRecord->header.length * sizeof(uint32) - sizeof capsRecord->header) / (2 * sizeof(uint32))); /* * Binary-search for the cap with the specified index. */ for (first = 0, last = numCaps - 1; first <= last; ) { int mid = (first + last) / 2; if ((SVGA3dDevCapIndex) capArray[mid][0] == index) { /* * Found it. */ result->u = capArray[mid][1]; return TRUE; } /* * Divide and conquer. */ if ((SVGA3dDevCapIndex) capArray[mid][0] > index) { last = mid - 1; } else { first = mid + 1; } } return FALSE; } boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws) { vws->base.destroy = vmw_svga_winsys_destroy; vws->base.get_cap = vmw_svga_winsys_get_cap; vws->base.context_create = vmw_svga_winsys_context_create; vws->base.surface_create = vmw_svga_winsys_surface_create; vws->base.surface_is_flushed = vmw_svga_winsys_surface_is_flushed; vws->base.surface_reference = vmw_svga_winsys_surface_ref; vws->base.buffer_create = vmw_svga_winsys_buffer_create; vws->base.buffer_map = vmw_svga_winsys_buffer_map; vws->base.buffer_unmap = vmw_svga_winsys_buffer_unmap; vws->base.buffer_destroy = vmw_svga_winsys_buffer_destroy; vws->base.fence_reference = vmw_svga_winsys_fence_reference; vws->base.fence_signalled = vmw_svga_winsys_fence_signalled; vws->base.fence_finish = vmw_svga_winsys_fence_finish; return TRUE; }